| addenda | addendum |
| addict | fiend |
| Addiction | Addiction |
| Addis-Ababa | Addis Ababa |
| Addis-Abeba | Addis Ababa |
| Addis-Abéba | Addis Ababa |
| additif | additive |
| Additif alimentaire | Food additive |
| additif pour carburants | fuel additive |
| additifs alimentaires et colorants | food additive |
| addition | addendum |
| addition chimique | chemical addition |
| Addition des entiers naturels | Addition in N |
| Addition électrophile | Electrophilic addition |
| additionnel | additional |
| Additionnelle | Addition |
| additionner | figure up |
| Additionner ajouter | Affix |
| additionné | added |
| Address space layout randomization | Address space layout randomization |
| adducteur | adductor |
| Adel Chedli | Adel Chedli |
| Adel Imam | Adel Emam |
| Adela reaumurella | Green Longhorn |
| Adelaide | Adelaide |
| Adelaide Football Club | Adelaide Football Club |
| Adelaide United FC | Adelaide United FC |
| Adelaro Tommaso Paleotti Salvadori | Tommaso Salvadori |
| Adelaïde Hall | Adelaide Hall |
| Adelbert von Chamisso | Adelbert von Chamisso |
| Adelboden | Adelboden |
| Adelidae | Adelidae |
| Adelina Patti | Adelina Patti |
| Adeline Software International | Adeline Software International |
| Adelotus | Tusked Frog |
| Adelphi | Adelphi Edizioni |
| Adelsheim | Adelsheim |
| Adem Jashari | Adem Jashari |
| Ademir | Ademir Marques de Menezes |
| Aden | Aden |
| Aden Abdullah Osman Daar | Aden Abdullah Osman Daar |
| Adena | Adena culture |
| Adenet le Roi | Adenet Le Roi |
| Adenocalymma | Adenocalymna |
